Artificial stone



The design is the features of the artificial stone shown in the drawings. The most significant feature of the design is the peripheral shape of the stone.

FIG. 1 is a top view of the artificial stone according to the design.

FIG. 2 is a bottom view of the design.

FIG. 3 is a right end side view of the design.

FIG. 4 is a front view of the design.

FIG. 5 is a left end side view of the design; and,

FIG. 6 is a rear view of the design. 

The ornamental design for artificial stone, as shown and described. 